10/24/17–In response to an op-ed expressing the lack of a reliable and cost-effective field test for police to assess the impairment level of marijuana-using drivers, many readers took umbrage with the cited statistic stating a 48 percent jump in weed-related traffic deaths in Colorado after full legalization there in 2014, according to a federal study. Critics of the study call it misleading and question the neutrality of the agency behind it. Read